ConfigureNetworksNetworksFeatured Articles How to add a custom network RPC endpoint in MetaMask Extension & Mobile App Add or edit custom network RPC endpoints in MetaMask: Network name, RPC URL, Chain ID, symbol, explorer. Use Chainlist, troubleshoot, and re-enable Smart Transactions.Navigate Solana in MetaMask | Manage SOL & SPL tokens Explore Solana inside MetaMask: create or import a Solana account, view SOL/SPL balances, bridge assets, and connect to dapps using Snaps or native support.Guides How to remove networks All networks (outside of preloaded networks) can be removed from MetaMask.How to view testnets in MetaMask Devs, view testnets from the network selector and configure in settings.How to connect to Linea on MetaMask Find Linea in MetaMask's drop-down menu!How to change networks in MetaMask Learn how to filter assets per network and switch a dapp's network.Help Custom networks missing after reinstalling or restoring from Secret Recovery Phrase When you reinstall MetaMask, custom networks need to be re-added. This is because MetaMask essentially considers your wallet to be a completely new instance of the app, and will not retain any of the data that was previously stored locally — custom networks being one example.Error 'Internal JSON-RPC error' when trying to interact with other networks If you are interacting with sidechains or custom networks, we highly recommend you read our user guide here.Error: Invalid or missing bridge url parameter value Troubleshoot by resetting your account.Error 'No chain ID defined' Troubleshoot by toggling networks.Learn How to use non-EVM networks with MetaMask via Snaps Enable and interact with non-EVM blockchains in MetaMask using Snaps. Setup steps, supported networks, and integration tips included.Using a local node Once you have your own node up and running, you can connect MetaMask to it.Verifying custom network information MetaMask does not verify custom networks. You need to review and approve the request.Why Infura cannot serve certain areas Infura is unavailable to persons in certain jurisdictions due to U.S. sanctions.
How to add a custom network RPC endpoint in MetaMask Extension & Mobile App Add or edit custom network RPC endpoints in MetaMask: Network name, RPC URL, Chain ID, symbol, explorer. Use Chainlist, troubleshoot, and re-enable Smart Transactions.
Navigate Solana in MetaMask | Manage SOL & SPL tokens Explore Solana inside MetaMask: create or import a Solana account, view SOL/SPL balances, bridge assets, and connect to dapps using Snaps or native support.
How to view testnets in MetaMask Devs, view testnets from the network selector and configure in settings.
How to change networks in MetaMask Learn how to filter assets per network and switch a dapp's network.
Custom networks missing after reinstalling or restoring from Secret Recovery Phrase When you reinstall MetaMask, custom networks need to be re-added. This is because MetaMask essentially considers your wallet to be a completely new instance of the app, and will not retain any of the data that was previously stored locally — custom networks being one example.
Error 'Internal JSON-RPC error' when trying to interact with other networks If you are interacting with sidechains or custom networks, we highly recommend you read our user guide here.
How to use non-EVM networks with MetaMask via Snaps Enable and interact with non-EVM blockchains in MetaMask using Snaps. Setup steps, supported networks, and integration tips included.
Verifying custom network information MetaMask does not verify custom networks. You need to review and approve the request.
Why Infura cannot serve certain areas Infura is unavailable to persons in certain jurisdictions due to U.S. sanctions.